Security Companies & Services in Greater London

List of Greater London based security companies offering private detective and investigation services, CCTV camera system, burglar and intruder alarms installation services.

Business Listings

At Installed Security customer care and satisfaction are paramount and we continue to strive proactively to improve our methods and systems. We pride ourselves in our after-sales service and maintenance contracts. We pledge to supply the ultimate system for your requirements. Our systems are sold based on technical knowledge and not misleading sales presentations.


Locksmith of London provides Home security and Locksmith services in the greater London UK. Mobile locksmith services available 24 hours a day. if you need Locksmith of London area for your house, car, office or business then we are here for you. Lockout services such as house or auto lockout, repair, change and install new lock sets.


Locksmith, Alarms, CCTV, Intercoms, Access control and other Security services. Local shop in Ruislip Manor. We are local, and rely on returning customers, so you can trust our quality of service will be high, at competitive prices. Domestic alarm systems fitted from only J200.



Professional 24 Hour Emergency Locksmiths in London. Call us on: 020 7993 4341. Our Locksmith Services cover Tothill St, London, SW1H 9LQ, and more. We use the most advanced technology and our team of technicians trained to fit your business the exact measures of security.


Hendon & Finchley Locksmith offers locksmith services in the great area of London such as: auto locksmiths, key duplication, commercial and residential locksmith services in NW4, N2, N3, N12 & Barnet.


Security system installer, including burglar alarms, cctv, door entry, floodlights and security lighting including fire, nurse call and scaffold alarms free quotations experienced engineers fully guaranteed, advice and consultation on all aspects of security on application.


We are your local locksmith London and run a 24hr services across Kent, Essex, Surrey and Sussex. With no call out charge we also undertake door repair and replacement call 0800 389 8864 24/7 365 days, no call centers.


Locksmith covering North and East London and offering a complete locksmith service (emergency locksmith service, locks changed, keys cut) as well as high security door and window grilles. We are members of the Master Locksmiths Association.


Since forming in 1995, we have quickly established ourselves as one of London's leading security systems providers. Commercial National Security Systems Group provides security systems and alarm systems products in London. We are NSI Gold Company offered including fire alarms London, commercial alarm systems, intruder alarm London, CCTV systems installation and access control systems. We appreciate

  • NSS has the best 24hr technical support out there. No matter what time of day it is they

Guard Dog Security operates in Greater London and the South East. We are specialists in: Dog Patrol Units and Sniffer Dogs. K9 Patrol Unit consisting of a security officer and trained patrol dog is more effective than security cameras, burglar alarms and many Security Guards. Man and dog make a perfect partnership and protect your property. Our officers have been approved by the Security Industry Authority.

  • These guys really know what they are doing! One of the best guard dog companies that you'll